0 1 2 3 Tue 20 Feb 1973 Sun 25 Feb 1973 Fri 02 Mar 1973 Wed 07 Mar 1973 Mon 12 Mar 1973 Sat 17 Mar 1973 Thu 22 Mar 1973 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All